49-7x/x^2-49

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Solution for 49-7x/x^2-49 equation: 


D( x )

x^2 = 0

x^2 = 0

x^2 = 0

1*x^2 = 0 // : 1

x^2 = 0

x = 0

x in (-oo:0) U (0:+oo)

49-((7*x)/(x^2))-49 = 0

49-7*x^-1-49 = 0

-7*x^-1 = 0 // : -7

x^-1 = 0

x naleu017Cy do O

x belongs to the empty set

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